1. Department of Molecular Biology (E.T., L.F., L.J., B.H., X.H., M.R., T.A.S.), Genentech, Inc., South San Francisco, California 94080
2. Department of Automation and Assay Technology (J.P.S., S.P.T.), Genentech, Inc., South San Francisco, California 94080
3. Department of Cardiovascular Research (L.P.-B.), Genentech, Inc., South San Francisco, California 94080
4. Department of Pathology (D.F.), Genentech, Inc., South San Francisco, California 94080